<?php

/**
 * This is the model class for table "inventario".
 *
 * The followings are the available columns in table 'inventario':
 * @property integer $producto
 * @property string $vencimiento
 * @property integer $presentacion
 * @property string $precio_unidad
 * @property integer $unidad_medida
 * @property string $saldoInventario
 *
 * The followings are the available model relations:
 * @property UnidadMedida $presentacion0
 * @property UnidadMedida $unidadMedida
 * @property Producto $producto0
 */
class Inventario extends CActiveRecord
{
	/**
	 * @return string the associated database table name
	 */
	public function tableName()
	{
		return 'inventario';
	}

	/**
	 * @return array validation rules for model attributes.
	 */
	public function rules()
	{
		// NOTE: you should only define rules for those attributes that
		// will receive user inputs.
		return array(
			array('producto, presentacion, precio_unidad, unidad_medida', 'required'),
			array('producto, presentacion, unidad_medida', 'numerical', 'integerOnly'=>true),
			array('precio_unidad, saldoInventario', 'length', 'max'=>5),
			array('vencimiento', 'safe'),
			// The following rule is used by search().
			// @todo Please remove those attributes that should not be searched.
			array('producto, vencimiento, presentacion, precio_unidad, unidad_medida, saldoInventario', 'safe', 'on'=>'search'),
		);
	}

	/**
	 * @return array relational rules.
	 */
	public function relations()
	{
		// NOTE: you may need to adjust the relation name and the related
		// class name for the relations automatically generated below.
		return array(
			'presentacion0' => array(self::BELONGS_TO, 'UnidadMedida', 'presentacion'),
			'unidadMedida' => array(self::BELONGS_TO, 'UnidadMedida', 'unidad_medida'),
			'producto0' => array(self::BELONGS_TO, 'Producto', 'producto'),
		);
	}
	public function scopes() { 
		return array( 
				'minimos'=>array(
						'with'=>array('producto0'),
						'condition'=>'producto0.suspendido=0 AND saldoInventario<producto0.inventario_minimo ',
						'order'=>'saldoInventario'
				),
				'published'=>array( 
						'condition'=>'status=1', ), 
				'recently'=>array( 
						'order'=>'create time DESC', 'limit'=>5, ), 
				); 
	}
	

	/**
	 * @return array customized attribute labels (name=>label)
	 */
	public function attributeLabels()
	{
		return array(
			'producto' => 'Producto',
			'vencimiento' => 'Vencimiento',
			'presentacion' => 'Presentacion',
			'precio_unidad' => 'Precio Unidad',
			'unidad_medida' => 'Unidad Medida',
			'saldoInventario' => 'Saldo Inventario',
		);
	}

	/**
	 * Retrieves a list of models based on the current search/filter conditions.
	 *
	 * Typical usecase:
	 * - Initialize the model fields with values from filter form.
	 * - Execute this method to get CActiveDataProvider instance which will filter
	 * models according to data in model fields.
	 * - Pass data provider to CGridView, CListView or any similar widget.
	 *
	 * @return CActiveDataProvider the data provider that can return the models
	 * based on the search/filter conditions.
	 */
	public function search()
	{
		// @todo Please modify the following code to remove attributes that should not be searched.

		$criteria=new CDbCriteria;
		$criteria->with = array('producto0','presentacion0','unidadMedida');
		$criteria->compare('producto0.nombre',$this->producto,true);
		$criteria->compare('vencimiento',$this->vencimiento,true);
		$criteria->compare('presentacion0.descripcion',$this->presentacion,true);
		$criteria->compare('precio_unidad',$this->precio_unidad,true);
		$criteria->compare('unidadMedida.descripcion',$this->unidad_medida,true);
		$criteria->compare('saldoInventario',$this->saldoInventario,true);

		return new CActiveDataProvider($this, array(
			'criteria'=>$criteria,
		));
	}

	/**
	 * Returns the static model of the specified AR class.
	 * Please note that you should have this exact method in all your CActiveRecord descendants!
	 * @param string $className active record class name.
	 * @return Inventario the static model class
	 */
	public static function model($className=__CLASS__)
	{
		return parent::model($className);
	}
}
